<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <link rel="icon" th:href="@{/favicon.ico}" type="image/x-icon"/>
</head>
<body>
  <h3>请求错误</h3>
  <h3 th:text="${msg}"></h3>
</body>
</html>